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United States Patent | 5,503,550 |
DePalma | April 2, 1996 |
A gas-fired, simulated log fireplace insert incorporating an automatic flue damper for controlling the operational state of a chimney vent (open/closed) in response to gas combustion, an externally mounted carbon monoxide detector for terminating or inhibiting gas combustion in response to an unsafe level of detected carbon monoxide and a temperature actuated switch, disposed within the firebox area of the fireplace proximate the flue, for terminating gas combustion in response to excessive fireplace temperatures caused by a malfunctioning damper.
Inventors: | DePalma; Thomas M. (HCR Box 54A, Central Bridge, NY 12035) |
Appl. No.: | 100487 |
Filed: | July 30, 1993 |
Current U.S. Class: | 431/125; 126/292; 126/307A; 126/512; 236/1G; 431/16; 431/20 |
Intern'l Class: | F23Q 002/32 |
Field of Search: | 126/285 R,307 A,502,503,504,512,292 431/17.5,16,20,22,77,78,80 236/1 G |
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